Silence rustdoc warnings from 3rd party Crates

Test: m rustdoc
Change-Id: I25599845b2bec76d92fd325b62132aeac9dd74c4
diff --git a/rust/builder.go b/rust/builder.go
index 7dd9dd2..5b5c993 100644
--- a/rust/builder.go
+++ b/rust/builder.go
@@ -399,7 +399,7 @@
 	// Silence warnings about renamed lints for third-party crates
 	modulePath := android.PathForModuleSrc(ctx).String()
 	if android.IsThirdPartyPath(modulePath) {
-		rustdocFlags = append(rustdocFlags, " -A renamed_and_removed_lints")
+		rustdocFlags = append(rustdocFlags, " -A warnings")
 	}
 
 	// Yes, the same out directory is used simultaneously by all rustdoc builds.